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Which coefficient will balance the following equation? Zn + HCl --- ___ZnCl2 + H2
6
Atom
6
Coefficients
Products
Reactants
2H2 + O2 --- 2H2O
2
Determine the number of Oxygen atoms in the following chemical formula: Pb(NO3)2
6
Atom
6
Coefficients
Products
Reactants
2H2 + O2 --- 2H2O
2
Which of the following equations is balanced?
6
Atom
6
Coefficients
Products
Reactants
2H2 + O2 --- 2H2O
2
The substances that begin a chemical reaction are called _________.
6
Atom
6
Coefficients
Products
Reactants
2H2 + O2 --- 2H2O
2
A chemical equation is balanced when the number of each type of __________ is the same on both sides.
6
Atom
6
Coefficients
Products
Reactants
2H2 + O2 --- 2H2O
2
The substances produced in a chemical reaction are called ____________.
6
Atom
6
Coefficients
Products
Reactants
2H2 + O2 --- 2H2O
2
How many atoms are of Hydrogen are in the following chemical formula? 3Mg(OH)2
6
Atom
6
Coefficients
Products
Reactants
2H2 + O2 --- 2H2O
2
Which of the following can be changed to balance a chemical equation?
6
Atom
6
Coefficients
Products
Reactants
2H2 + O2 --- 2H2O
2
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